Sex-sorted sperm and fertility: An alternative view

被引：21
|
作者：
Grant, Valerie J.
Chamley, Lawrence W.
机构：
[1] Univ Auckland, Fac Med & Hlth Sci, Dept Psychol Med, Auckland 1, New Zealand
[2] Green Lane Hosp, Dept Obstet & Gynaecol & Fertil Plus, Auckland 3, New Zealand
来源：
BIOLOGY OF REPRODUCTION | 2007年 / 76卷 / 02期
关键词：
assisted reproductive technology; fertilization; gamete biology; sperm;
D O I：
10.1095/biolreprod.106.056259
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Although contemporary methods of physically separating X from Y chromosome-bearing spermatozoa are now very efficient, overall fertility rates following the use of sex-sorted sperm are not as impressive, in spite of many attempts to improve them. At the same time, there are suggestions from evolutionary biology, and from sex allocation theory in particular, that there may need to be a modification to the chance theory of sex determination in mammals. This is because it now appears that the mammalian female could have some influence on the sex of her offspring, and furthermore, that this influence could be preconceptual. If so, this could go some way towards accounting for the putative inefficiencies in fertilization following insemination with sex-sorted sperm.
引用
收藏
页码：184 / 188
页数：5
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